Year	% of GDP
1960	21.724429640853373
1961	22.53597230929835
1962	23.776479384338757
1963	24.67268327147616
1964	25.386875595214825
1965	28.299397691295848
1966	28.678897856988012
1967	30.639106278266006
1968	31.69723533394866
1969	32.48390500226517
1970	32.661047503503795
1971	32.609343468962585
1972	35.55425583440956
1973	35.462568136253346
1974	30.300561309492856
1975	34.7066541060182
1976	35.24979464445276
1977	39.023939890925604
1978	46.28120163177966
1979	48.98886112550277
1980	51.67580582234164
1981	54.69259011636858
1982	55.93895890812508
1983	55.866709409248564
1986	65.22313952244802
1987	66.75989082314491
1988	70.0008428852179
1989	67.43382420556854
1991	61.86301790891013
1992	62.91579318967763
1993	59.47801101943974
1994	59.2047907750099
1995	56.40070263459886
1996	53.78222528683025
1997	55.81658134711316
1998	59.143232448861355
1999	58.72801938712376
2000	59.76476177296568
2001	64.78383660458506
2002	66.70726434572377
2003	67.3107898716476
2004	62.20144971749159
2005	60.95436421987551
2006	62.60902057895569
2007	63.87629233872667
2008	61.20967238602939
2009	70.3578374554329
2010	68.24343014277686
2011	64.21075641918003
2012	64.29582185871865
2013	66.67056727345211
2014	73.28423832892898
2015	82.77841981560837
2016	90.74155954454457
2018	74.39545231702328
2019	73.38161610829913
2020	87.67874288480094
2021	81.77716066335014